Patents by Inventor Motoshige Sumino

Motoshige Sumino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9257720
    Abstract: The present invention provides a non-aqueous electrolytic solution including a methylenebissulfonate derivative and improving initial irreversible capacity and other characteristics of a battery such as a cycle characteristics, electric capacity, and storage characteristics; a method for producing thereof; and a battery using the electrolytic solution. The non-aqueous electrolytic solution includes: (1) a non-aqueous solvent comprising at least one selected from a cyclic carbonate ester, a straight chained carbonate ester and/or a cyclic carboxylic acid ester, (2) a lithium salt which may be dissolved in the non-aqueous solvent, as an electrolyte salt, and (3) a methylenebissulfonate derivative of formula [1]: The method includes steps of dissolving a lithium salt in a non-aqueous solvent, and then dissolving the methylenebissulfonate derivative.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: February 9, 2016
    Assignee: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Kuniaki Okamoto, Motoshige Sumino, Tsutomu Watahiki, Kouki Ohkubo, Tatsuko Ikeda
  • Patent number: 9190695
    Abstract: The present invention provides a non-aqueous electrolytic solution including a methylenebissulfonate derivative and improving initial irreversible capacity and other characteristics of a battery such as cycle characteristics, electric capacity, and storage characteristics; a method for producing thereof; and a battery using the electrolytic solution. The non-aqueous electrolytic solution includes: (1) a non-aqueous solvent comprising a cyclic carbonate ester, a straight chained carbonate ester, and/or a cyclic carboxylic acid ester, (2) a lithium salt which may be dissolved in the non-aqueous solvent, as an electrolyte salt, and (3) a methylenebissulfonate derivative of formula [I]: The method includes steps of dissolving a lithium salt in a non-aqueous solvent, and then dissolving the methylenebissulfonate derivative. The non-aqueous electrolytic solution battery includes (i) the non-aqueous electrolytic solution above, (ii) a negative electrode, (iii) a positive electrode, and (iv) a separator.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: November 17, 2015
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Kuniaki Okamoto, Motoshige Sumino, Tsutomu Watahiki, Kouki Ohkubo, Tatsuko Ikeda
  • Patent number: 8969591
    Abstract: The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: March 3, 2015
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Ayako Kuramoto, Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino
  • Patent number: 8957212
    Abstract: There is intended to provide the novel compounds which generate a base easily when irradiated with long wavelength light (active energy rays), a photobase generator containing the compounds and a photobase generation method, and the present invention relates to the compounds represented by the general formula [1], a photobase generator containing the compounds and a photobase generation method: (wherein, Ar represents any of groups with specific structures selected from the group consisting of an anthracenyl group, an anthraquinonyl group and a pyrenyl group; R1 and R2 each independently represent a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, or represent ones which can form an alicyclic ring containing nitrogen atom(s) or an aromatic ring containing nitrogen atom(s) together with a nitrogen atom to which they are bound, which the rings having 3 to 8 carbon atoms which may have a substituent, R3 and R4 each independently represent a hydrogen atom, a linear, branc
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: February 17, 2015
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Ayako Kuramoto, Motoshige Sumino, Nobuhiko Sakai
  • Patent number: 8742136
    Abstract: It is an object of the present invention to provide a commercially advantageous method for producing a cyclic disulfonic acid ester with high yield, the present invention discloses a method for producing a cyclic disulfonic acid ester represented by the general formula (3), which comprises reacting a silver alkanedisulfonate represented by the general formula (1) with a dihaloalkane represented by the general formula (2) in a nonpolar solvent. Wherein X1 and X2 are each independently a chlorine atom, a bromine atom or an iodine atom; and Y and Z are each independently a substituted or unsubstituted alkylene chain which may have a heteroatom in the chain.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: June 3, 2014
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino
  • Publication number: 20140142324
    Abstract: The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Ayako KURAMOTO, Kuniaki OKAMOTO, Tsutomu WATAHIKI, Motoshige SUMINO
  • Patent number: 8716513
    Abstract: Object To provide a method for producing a bis-quaternary ammonium salt efficiently and a novel synthetic intermediate thereof. Solution The present invention relates to a method for producing a bis-quaternary ammonium salt represented by a general formula [3] which comprises reacting a disulfonic acid ester represented by a general formula [1] (in the formula, definitions of two R1's and T are as described in claim 1) with a tertiary amine represented by a general formula [2] (in the formula, definitions of R3 to R5 are as described in claim 1), and a disulfonic acid ester represented by a general formula [1?] (in the formula, two R16's represent independently a halogen atom or a C1-C3 fluoroalkyl group, and two m's represent independently an integer of 1 to 5).
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: May 6, 2014
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino
  • Patent number: 8673963
    Abstract: The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: March 18, 2014
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Ayako Kuramoto, Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino
  • Patent number: 8546609
    Abstract: Problem: Providing a novel ionic liquid, which is low-cost, environment-friendly, and has low viscosity and melting point. Means for Solving the Problem: The present invention is the invention of the ionic liquid represented by the general formula [1]: {wherein, R1 to R3 and n pieces of R4 each independently represent hydrogen atom or alkyl group having 1 to 4 carbon atoms, R5 to R7 each independently represent alkyl group, aralkyl group, or aryl group, R8 represents alkyl group, aralkyl group, aryl group, or the one represented by the general formula [2]: (wherein T represents alkylene chain having 1 to 8 carbon atoms, n represents 1 or 2, and R1 to R7 are the same as the above-described), X represents nitrogen atom or phosphorus atom, n represents 1 or 2. When n is 1, R3 and R4 are bound and may form cyclohexene ring together with the adjacent carbon atoms. In addition, when X is nitrogen atom, R5 to R7 or R5 to R6 may form hetero ring with nitrogen atom binding thereto}.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: October 1, 2013
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Tsutomu Watahiki, Kuniaki Okamoto, Motoshige Sumino
  • Publication number: 20130143129
    Abstract: [PROBLEM] To provide: a novel non-aqueous electrolytic solution which uses a methylenebissulfonate derivative, reduces initial irreversible capacity of a battery, and further improves battery characteristics such as cycle characteristics, electric capacity and storage characteristics; a method for producing the non-aqueous electrolytic solution; and a battery which uses the electrolytic solution. [SOLUTION] The present invention relates to the following <1> to <3>. <1> A non-aqueous electrolytic solution comprising the following (1) to (3).
    Type: Application
    Filed: August 2, 2011
    Publication date: June 6, 2013
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Kuniaki Okamoto, Motoshige Sumino, Tsutomu Watahiki, Kouki Ohkubo, Tatsuko Ikeda
  • Publication number: 20130130128
    Abstract: [PROBLEM] To provide: a novel non-aqueous electrolytic solution which uses a methylenebissulfonate derivative, reduced initial irreversible capacity of a battery, and further improves battery characteristics such as cycle characteristics, electric capacity and storage characteristics; a method for producing the non-aqueous electrolytic solution; and a battery which uses the electrolytic solution. [SOLUTION] The present invention related to the following <1> to <3>. <1> A non-aqueous electrolytic solution comprising the following (1) to (3).
    Type: Application
    Filed: August 2, 2011
    Publication date: May 23, 2013
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Kuniaki Okamoto, Motoshige Sumino, Tsutomu Watahiki, Kouki Ohkubo, Tatsuko Ikeda
  • Patent number: 8269038
    Abstract: The present invention provides a method for producing a sulfonate ester efficiently and in high yield. The present invention is an invention of a method for producing a sulfonate ester compound, which comprising reacting: (a) a compound having a sulfo group (—SO3H); and (b) a compound having a group represented by the general formula [1]: —OR1??[1] [wherein, R1 represents a sulfonyl group represented by the general formula [2]: —SO2—R2??[2] (wherein, R2 represents a halogen atom, a haloalkyl group, an alkoxy group, or an optionally substituted alkyl group or an optionally substituted aryl group) or an acyl group represented by the general formula [3]: (wherein, R3 represents an optionally substituted alkyl group or an optionally substituted aryl group)]; in the presence of an organic base which is capable of forming a salt with said sulfo group.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: September 18, 2012
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino, Takao Shibasaki
  • Publication number: 20120157680
    Abstract: PROBLEM: Providing a novel ionic liquid, which is low-cost, environment-friendly, and has low viscosity and melting point. MEANS FOR SOLVING THE PROBLEM: The present invention is the invention of the ionic liquid represented by the general formula [1]: {wherein, R1 to R3 and n pieces of R4 each independently represent hydrogen atom or alkyl group having 1 to 4 carbon atoms, R5 to R7 each independently represent alkyl group, aralkyl group, or aryl group, R8 represents alkyl group, aralkyl group, aryl group, or the one represented by the general formula [2]: (wherein T represents alkylene chain having 1 to 8 carbon atoms, n represents 1 or 2, and R1 to R7 are the same as the above-described), X represents nitrogen atom or phosphorus atom, n represents 1 or 2. When n is 1, R3 and R4 are bound and may form cyclohexene ring together with the adjacent carbon atoms. In addition, when X is nitrogen atom, R5 to R7 or R5 to R6 may form hetero ring with nitrogen atom binding thereto}.
    Type: Application
    Filed: August 30, 2010
    Publication date: June 21, 2012
    Applicant: Wako Pure Chemical Industries, Ltd.
    Inventors: Tsutomu Watahiki, Kuniaki Okamoto, Motoshige Sumino
  • Publication number: 20120130107
    Abstract: Object To provide a method for producing a bis-quaternary ammonium salt efficiently and a novel synthetic intermediate thereof. Solution The present invention relates to a method for producing a bis-quaternary ammonium salt represented by a general formula [3] which comprises reacting a disulfonic acid ester represented by a general formula [1] (in the formula, definitions of two R1's and T are as described in claim 1) with a tertiary amine represented by a general formula [2] (in the formula, definitions of R3 to R5 are as described in claim 1), and a disulfonic acid ester represented by a general formula [1?] (in the formula, two R16's represent independently a halogen atom or a C1-C3 fluoroalkyl group, and two m's represent independently an integer of 1 to 5).
    Type: Application
    Filed: August 5, 2010
    Publication date: May 24, 2012
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino
  • Publication number: 20120130089
    Abstract: The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure.
    Type: Application
    Filed: August 3, 2010
    Publication date: May 24, 2012
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Ayako Kuramoto, Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino
  • Publication number: 20110233048
    Abstract: There is intended to provide the novel compounds which generate a base easily when irradiated with long wavelength light (active energy rays), a photobase generator containing the compounds and a photobase generation method, and the present invention relates to the compounds represented by the general formula [1], a photobase generator containing the compounds and a photobase generation method: (wherein, Ar represents any of groups with specific structures selected from the group consisting of an anthracenyl group, an anthraquinonyl group and a pyrenyl group; R1 and R2 each independently represent a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, or represent ones which can form an alicyclic ring containing nitrogen atom(s) or an aromatic ring containing nitrogen atom(s) together with a nitrogen atom to which they are bound, which the rings having 3 to 8 carbon atoms which may have a substituent, R3 and R4 each independently represent a hydrogen atom, a linear, branc
    Type: Application
    Filed: December 1, 2009
    Publication date: September 29, 2011
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Ayako Kuramoto, Motoshige Sumino, Nobuhiko Sakai
  • Publication number: 20100041916
    Abstract: The present invention provides a method for producing a sulfonate ester efficiently and in high yield. The present invention is an invention of a method for producing a sulfonate ester compound, which comprising reacting: (a) a compound having a sulfo group (—SO3H); and (b) a compound having a group represented by the general formula [1]: —OR1??[1] [wherein, R1 represents a sulfonyl group represented by the general formula [2]: —SO2—R2??[2] (wherein, R2 represents a halogen atom, a haloalkyl group, an alkoxy group, or an optionally substituted alkyl group or an optionally substituted aryl group) or an acyl group represented by the general formula [3]: (wherein, R3 represents an optionally substituted alkyl group or an optionally substituted aryl group)]; in the presence of an organic base which is capable of forming a salt with said sulfo group.
    Type: Application
    Filed: April 20, 2007
    Publication date: February 18, 2010
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino, Takao Shibasaki
  • Patent number: 7642368
    Abstract: A method for producing a triarylsulfonium salt having a structure that only one of the three arobatic rings of the three aromatic rings on the cationic portion is different from the other two aromatic groups, and which is useful, for example, as an acid-generating agent for a resist or a photo cationic polymerization initiator, by reacting a diaryl sulfoxide and an aryl Grignard reagent RMgX??[2] in the presence of an activator with high affinity for oxygen of 3 to 7.5 equivalents relative to the above diaryl sulfoxide, and then reacting the resultant reaction mixture with a strong acid HA1??[3].
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: January 5, 2010
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Motoshige Sumino, Kazuhito Fukasawa, Shigeaki Imazeki, Tetsuya Watanabe
  • Publication number: 20090281333
    Abstract: It is an object of the present invention to provide a commercially advantageous method for producing a cyclic disulfonic acid ester with high yield, the present invention discloses a method for producing a cyclic disulfonic acid ester represented by the general formula (3), which comprises reacting a silver alkanedisulfonate represented by the general formula (1) with a dihaloalkane represented by the general formula (2) in a nonpolar solvent. Wherein X1 and X2 are each independently a chlorine atom, a bromine atom or an iodine atom; and Y and Z are each independently a substituted or unsubstituted alkylene chain which may have a heteroatom in the chain.
    Type: Application
    Filed: June 14, 2007
    Publication date: November 12, 2009
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino
  • Publication number: 20070083060
    Abstract: [Subject] To provide a method for effectively producing a triarylsulfonium salt having a structure that only one aromatic ring of three aromatic rings on the cation portion thereof is different from the other two aromatic rings (hereinafter, abbreviated as a triarylsulfonium salt relating to the present invention) in a high yield without forming any byproduct.
    Type: Application
    Filed: October 4, 2004
    Publication date: April 12, 2007
    Inventors: Motoshige Sumino, Kazuhito Fukasawa, Shigeaki Imazeki, Tetsuya Watanabe